Health Videos

Lansoprazole capsules

What is this medicine?

LANSOPRAZOLE (lan SOE pra zole) prevents the production of acid in the stomach. It is used to treat gastroesophageal reflux disease (GERD), ulcers, certain bacteria in the stomach, inflammation of the esophagus, and Zollinger-Ellison Syndrome. It can also be used to prevent and treat ulcers in patients taking medicines called non-steroidal anti-inflammatory drugs (NSAIDs).

How should I use this medicine?

Take this medicine by mouth. Swallow the capsules whole with a drink of water. Follow the directions on the prescription label. Do not crush or chew. This medicine works best if taken on an empty stomach 30 to 60 minutes before food. Take your medicine at regular intervals. Do not take more often than directed.

If you have difficulty swallowing the capsules, you may open the capsule and sprinkle the contents on a tablespoon of any of the following foods: applesauce, Ensure brand pudding, cottage cheese, yogurt, or strained pears. Do not crush the contents of the capsule into the food. Swallow the dose immediately after preparing it. Do not chew. Follow with a drink of water.

Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed.

What side effects may I notice from receiving this medicine?

Side effects that you should report to your doctor or health care professional as soon as possible:

allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue

bone, muscle or joint pain

breathing problems

chest pain or chest tightness

dark yellow or brown urine

diarrhea

dizziness

fast, irregular heartbeat

feeling faint or lightheaded

fever or sore throat

muscle spasm

palpitations

rash on cheeks or arms that gets worse in the sun

redness, blistering, peeling or loosening of the skin, including inside the mouth

seizures

stomach polyps

tremors

unusual bleeding or bruising

unusually weak or tired

yellowing of the eyes or skin

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

constipation

dry mouth

headache

loose stools

nausea

What may interact with this medicine?

Do not take this medicine with any of the following medications:

atazanavir

nelfinavir

This medicine may also interact with the following medications:

ampicillin

delavirdine

digoxin

diuretics

iron salts

itraconazole, ketoconazole, voriconazole, or other prescription medicines for fungus or yeast infections

sucralfate

theophylline

warfarin

What if I miss a dose?

If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.